From 27b71db1e3dd649674383f26e3e1222c7180bec6 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 10:08:42 +0000
Subject: [PATCH 01/23] #71 Add Ubuntu 25.10 to CI testing

---
 .github/workflows/test-cells-ubuntu.yml | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/test-cells-ubuntu.yml b/.github/workflows/test-cells-ubuntu.yml
index 715b687..60240ad 100644
--- a/.github/workflows/test-cells-ubuntu.yml
+++ b/.github/workflows/test-cells-ubuntu.yml
@@ -8,15 +8,21 @@ on:
 
 jobs:
   test-cells-ubuntu:
-    runs-on: ${{ matrix.os }}
-
     strategy:
       fail-fast: false
       matrix:
-        os: ["ubuntu-22.04", "ubuntu-24.04"]
+        include:
+          - image: "ubuntu:22.04"
+          - image: "ubuntu:24.04"
+          - image: "ubuntu:25.10"
+
+    runs-on: ubuntu-latest
+
+    container:
+      image: ${{ matrix.image }}
 
     concurrency:
-      group: test-cells-ubuntu-${{ github.ref }}-${{ matrix.os }}
+      group: test-cells-ubuntu-${{ github.ref }}-${{ matrix.image }}
       cancel-in-progress: true
 
     defaults:

From 127d0f371c96288e62bf9f859531cea9a14f9894 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 10:12:28 +0000
Subject: [PATCH 02/23] #71 Update apt-get lines for container

---
 .github/workflows/test-cells-ubuntu.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test-cells-ubuntu.yml b/.github/workflows/test-cells-ubuntu.yml
index 60240ad..542f99f 100644
--- a/.github/workflows/test-cells-ubuntu.yml
+++ b/.github/workflows/test-cells-ubuntu.yml
@@ -35,7 +35,7 @@ jobs:
 
       - name: Install system dependencies
         run: |
-          sudo apt-get update
+          apt-get update
 
           for vtk_ver in $(seq 7 9); do
             available=1
@@ -46,7 +46,7 @@ jobs:
           done
           echo "VTK version: ${vtk_ver}"
 
-          sudo apt-get install \
+          apt-get install \
             castxml \
             clang \
             cmake \

From 06b1a6c34faa22b8df8dc47db78ce12c0992be20 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 10:14:58 +0000
Subject: [PATCH 03/23] #71 Always say yes to apt-get in containers

---
 .github/workflows/test-cells-ubuntu.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test-cells-ubuntu.yml b/.github/workflows/test-cells-ubuntu.yml
index 542f99f..c42da15 100644
--- a/.github/workflows/test-cells-ubuntu.yml
+++ b/.github/workflows/test-cells-ubuntu.yml
@@ -46,7 +46,7 @@ jobs:
           done
           echo "VTK version: ${vtk_ver}"
 
-          apt-get install \
+          apt-get install -y \
             castxml \
             clang \
             cmake \

From 55648035b3b8f0b5de9dcb1aeb38ef52fc94e0cb Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 11:02:00 +0000
Subject: [PATCH 04/23] #71 Use conda not mamba

---
 .github/workflows/test-cells-conda.yml | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index 23e490a..d9d3ca0 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install system dependencies
         run: |
@@ -36,7 +36,6 @@ jobs:
         uses: conda-incubator/setup-miniconda@v3
         with:
           auto-update-conda: true
-          use-mamba: true
           miniforge-version: latest
           python-version: ${{ matrix.python-version }}
           channels: conda-forge,defaults
@@ -48,7 +47,7 @@ jobs:
           python -m pip install .
 
       - name: Install requirements
-        run: mamba install --yes --file conda/requirements.txt
+        run: conda install --yes --file conda/requirements.txt
         working-directory: examples/cells
 
       - name: Set config paths
@@ -78,15 +77,15 @@ jobs:
         working-directory: examples/cells
 
       - name: Install conda-build tools
-        run: mamba install boa conda-build conda-verify
+        run: conda install boa conda-build conda-verify
 
       - name: Build
         run: |
-          conda mambabuild recipe -m variants/python${{ matrix.python-version }}.yaml
+          conda build recipe -m variants/python${{ matrix.python-version }}.yaml
         working-directory: examples/cells/conda
 
       - name: Install
-        run: mamba install --use-local pycells
+        run: conda install --use-local pycells
 
       - name: Test
         run: python -m unittest discover tests

From d7465e2323a50e4fc59901a164be4f0a2dcab1f4 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 11:05:59 +0000
Subject: [PATCH 05/23] #71 Update github actions

---
 .github/workflows/test-cells-conda.yml  |  6 +++---
 .github/workflows/test-cells-ubuntu.yml |  2 +-
 .github/workflows/test-shapes-pip.yml   | 14 +++++++-------
 .github/workflows/test-style.yml        | 10 +++++-----
 4 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index d9d3ca0..4ac16d6 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -43,8 +43,8 @@ jobs:
 
       - name: Install cppwg
         run: |
-          python -m pip install --upgrade pip
-          python -m pip install .
+          python3 -m pip install --upgrade pip
+          python3 -m pip install .
 
       - name: Install requirements
         run: conda install --yes --file conda/requirements.txt
@@ -88,5 +88,5 @@ jobs:
         run: conda install --use-local pycells
 
       - name: Test
-        run: python -m unittest discover tests
+        run: python3 -m unittest discover tests
         working-directory: examples/cells
diff --git a/.github/workflows/test-cells-ubuntu.yml b/.github/workflows/test-cells-ubuntu.yml
index c42da15..b7aa3de 100644
--- a/.github/workflows/test-cells-ubuntu.yml
+++ b/.github/workflows/test-cells-ubuntu.yml
@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install system dependencies
         run: |
diff --git a/.github/workflows/test-shapes-pip.yml b/.github/workflows/test-shapes-pip.yml
index a7d01b8..0d0d2f8 100644
--- a/.github/workflows/test-shapes-pip.yml
+++ b/.github/workflows/test-shapes-pip.yml
@@ -21,22 +21,22 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install system dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install castxml clang cmake git
+          sudo apt-get install -y castxml clang cmake git
 
       - name: Setup Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
 
       - name: Install cppwg
         run: |
-          python -m pip install --upgrade pip
-          python -m pip install .
+          python3 -m pip install --upgrade pip
+          python3 -m pip install .
 
       - name: Regenerate wrappers
         run: |
@@ -67,6 +67,6 @@ jobs:
 
       - name: Test
         run: |
-          python -m unittest test_functions.py
-          python -m unittest test_classes.py
+          python3 -m unittest test_functions.py
+          python3 -m unittest test_classes.py
         working-directory: examples/shapes/build
diff --git a/.github/workflows/test-style.yml b/.github/workflows/test-style.yml
index 7a9038d..47d8455 100644
--- a/.github/workflows/test-style.yml
+++ b/.github/workflows/test-style.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install dependencies
         run: |
@@ -25,10 +25,10 @@ jobs:
 
       - name: Install cppwg
         run: |
-          python -m pip install --upgrade pip
-          python -m pip install .[dev]
+          python3 -m pip install --upgrade pip
+          python3 -m pip install .[dev]
 
       - name: Lint
         run: |
-          python -m flake8 --version
-          python -m flake8 .
+          python3 -m flake8 --version
+          python3 -m flake8 .

From 0335012929b2bc9c7f23a61813cffe0fe63e4e56 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 11:19:11 +0000
Subject: [PATCH 06/23] #71 Simplify ubuntu test workflow

---
 .github/workflows/test-cells-ubuntu.yml | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/test-cells-ubuntu.yml b/.github/workflows/test-cells-ubuntu.yml
index b7aa3de..2589422 100644
--- a/.github/workflows/test-cells-ubuntu.yml
+++ b/.github/workflows/test-cells-ubuntu.yml
@@ -33,11 +33,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6
 
-      - name: Install system dependencies
+      - name: Get system vtk version
         run: |
           apt-get update
 
-          for vtk_ver in $(seq 7 9); do
+          for vtk_ver in $(seq 7 99); do
             available=1
             dpkg -s "libvtk${vtk_ver}-dev" || available=0
             if [ "${available}" -eq 1 ]; then
@@ -45,7 +45,11 @@ jobs:
             fi
           done
           echo "VTK version: ${vtk_ver}"
+          echo "VTK_VERSION=${vtk_ver}" >> $GITHUB_ENV
 
+      - name: Install system dependencies
+        run: |
+          export DEBIAN_FRONTEND=noninteractive
           apt-get install -y \
             castxml \
             clang \
@@ -53,18 +57,19 @@ jobs:
             git \
             libboost-all-dev \
             libpetsc-real-dev \
-            libvtk${vtk_ver}-dev \
+            libvtk${{ env.VTK_VERSION }}-dev \
             mpi-default-bin \
             mpi-default-dev \
             pipx \
             python3-mpi4py \
             python3-petsc4py-real \
             python3-pip \
-            python3-vtk${vtk_ver}
+            python3-vtk${{ env.VTK_VERSION }}
 
           pipx ensurepath
 
-          # Check installed package versions
+      - name: Check installed package versions
+        run: |
           dpkg-query -W \
             castxml \
             clang \
@@ -72,14 +77,14 @@ jobs:
             git \
             libboost-all-dev \
             libpetsc-real-dev \
-            libvtk${vtk_ver}-dev \
+            libvtk${{ env.VTK_VERSION }}-dev \
             mpi-default-bin \
             mpi-default-dev \
             pipx \
             python3-mpi4py \
             python3-petsc4py-real \
             python3-pip \
-            python3-vtk${vtk_ver}
+            python3-vtk${{ env.VTK_VERSION }}
 
       - name: Install cppwg
         run: pipx install .

From dcd800123d0c8f7058d12967fecd0c83c5dd4933 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 11:56:02 +0000
Subject: [PATCH 07/23] #71 Update vtk version finding in CI

---
 .github/workflows/test-cells-ubuntu.yml | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/test-cells-ubuntu.yml b/.github/workflows/test-cells-ubuntu.yml
index 2589422..dec681e 100644
--- a/.github/workflows/test-cells-ubuntu.yml
+++ b/.github/workflows/test-cells-ubuntu.yml
@@ -38,9 +38,8 @@ jobs:
           apt-get update
 
           for vtk_ver in $(seq 7 99); do
-            available=1
-            dpkg -s "libvtk${vtk_ver}-dev" || available=0
-            if [ "${available}" -eq 1 ]; then
+            vtk_pkg="$(apt-cache search --names-only ^libvtk${vtk_ver}-dev$)"
+            if [ -n "${vtk_pkg}" ]; then
               break
             fi
           done

From 4ac1f8dbdaa99e9c2a10a0ba20fd7527201a1752 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 12:17:57 +0000
Subject: [PATCH 08/23] #71 Make vtk finding in CI more robust

---
 .github/workflows/test-cells-ubuntu.yml | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/test-cells-ubuntu.yml b/.github/workflows/test-cells-ubuntu.yml
index dec681e..09b6cbd 100644
--- a/.github/workflows/test-cells-ubuntu.yml
+++ b/.github/workflows/test-cells-ubuntu.yml
@@ -37,9 +37,11 @@ jobs:
         run: |
           apt-get update
 
-          for vtk_ver in $(seq 7 99); do
-            vtk_pkg="$(apt-cache search --names-only ^libvtk${vtk_ver}-dev$)"
+          vtk_ver=
+          for candidate in $(seq 7 99); do
+            vtk_pkg="$(apt-cache search --names-only ^libvtk${candidate}-dev$)"
             if [ -n "${vtk_pkg}" ]; then
+              vtk_ver="${candidate}"
               break
             fi
           done
@@ -103,9 +105,8 @@ jobs:
 
       - name: Check for changes
         run: |
-          git diff --exit-code dynamic/wrappers
+          git diff --exit-code examples/cells/dynamic/wrappers
           grep "Unknown class" build/cppwg.log
-        working-directory: examples/cells
 
       - name: Build
         run: |

From ba9485209d45cae0a37f338de42c4d170a4bcf3c Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 12:32:55 +0000
Subject: [PATCH 09/23] #71 Add git safe directory in container CI

---
 .github/workflows/test-cells-ubuntu.yml | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/test-cells-ubuntu.yml b/.github/workflows/test-cells-ubuntu.yml
index 09b6cbd..dcf655e 100644
--- a/.github/workflows/test-cells-ubuntu.yml
+++ b/.github/workflows/test-cells-ubuntu.yml
@@ -30,13 +30,20 @@ jobs:
         shell: bash -el {0} # -l needed to activate pipx
 
     steps:
+      - name: Install git
+        run: |
+          apt-get update
+          apt-get install -y git
+
       - name: Checkout
         uses: actions/checkout@v6
 
-      - name: Get system vtk version
+      - name: Set safe directory
         run: |
-          apt-get update
+          git config --global --add safe.directory $PWD
 
+      - name: Get system vtk version
+        run: |
           vtk_ver=
           for candidate in $(seq 7 99); do
             vtk_pkg="$(apt-cache search --names-only ^libvtk${candidate}-dev$)"
@@ -55,7 +62,6 @@ jobs:
             castxml \
             clang \
             cmake \
-            git \
             libboost-all-dev \
             libpetsc-real-dev \
             libvtk${{ env.VTK_VERSION }}-dev \

From b70db9c62109cb682ac636f3ffe7822d292ac41a Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 13:33:52 +0000
Subject: [PATCH 10/23] #71 Fix paths on CI

---
 .github/workflows/test-cells-conda.yml  | 2 +-
 .github/workflows/test-cells-ubuntu.yml | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index 4ac16d6..080bcfc 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -85,7 +85,7 @@ jobs:
         working-directory: examples/cells/conda
 
       - name: Install
-        run: conda install --use-local pycells
+        run: conda install -c local pycells
 
       - name: Test
         run: python3 -m unittest discover tests
diff --git a/.github/workflows/test-cells-ubuntu.yml b/.github/workflows/test-cells-ubuntu.yml
index dcf655e..cc03372 100644
--- a/.github/workflows/test-cells-ubuntu.yml
+++ b/.github/workflows/test-cells-ubuntu.yml
@@ -38,7 +38,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6
 
-      - name: Set safe directory
+      - name: Set git safe directory
         run: |
           git config --global --add safe.directory $PWD
 
@@ -111,8 +111,9 @@ jobs:
 
       - name: Check for changes
         run: |
-          git diff --exit-code examples/cells/dynamic/wrappers
+          git diff --exit-code dynamic/wrappers
           grep "Unknown class" build/cppwg.log
+        working-directory: examples/cells
 
       - name: Build
         run: |

From 160d4036b4d1a4ce727ea6999c5f949fb75d1ba8 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 13:58:29 +0000
Subject: [PATCH 11/23] #71 Fix conda local install

---
 .github/workflows/test-cells-conda.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index 080bcfc..8bddf59 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -81,11 +81,12 @@ jobs:
 
       - name: Build
         run: |
-          conda build recipe -m variants/python${{ matrix.python-version }}.yaml
+          conda build recipe -m variants/python${{ matrix.python-version }}.yaml --output-folder ./build
         working-directory: examples/cells/conda
 
       - name: Install
-        run: conda install -c local pycells
+        run: conda install -c ./build pycells
+        working-directory: examples/cells/conda
 
       - name: Test
         run: python3 -m unittest discover tests

From 40122836f232cbf92380df2b484a6bf2d4f4f6a1 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 14:41:21 +0000
Subject: [PATCH 12/23] #71 Upgrade pip on CI

---
 .github/workflows/test-cells-ubuntu.yml | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/test-cells-ubuntu.yml b/.github/workflows/test-cells-ubuntu.yml
index cc03372..4a5fb60 100644
--- a/.github/workflows/test-cells-ubuntu.yml
+++ b/.github/workflows/test-cells-ubuntu.yml
@@ -8,15 +8,12 @@ on:
 
 jobs:
   test-cells-ubuntu:
+    runs-on: ubuntu-latest
+
     strategy:
       fail-fast: false
       matrix:
-        include:
-          - image: "ubuntu:22.04"
-          - image: "ubuntu:24.04"
-          - image: "ubuntu:25.10"
-
-    runs-on: ubuntu-latest
+        image: ["ubuntu:22.04", "ubuntu:24.04", "ubuntu:25.10"]
 
     container:
       image: ${{ matrix.image }}
@@ -42,7 +39,7 @@ jobs:
         run: |
           git config --global --add safe.directory $PWD
 
-      - name: Get system vtk version
+      - name: Get system VTK version
         run: |
           vtk_ver=
           for candidate in $(seq 7 99); do
@@ -118,12 +115,13 @@ jobs:
       - name: Build
         run: |
           python3 -m venv --system-site-packages .venv
-          . .venv/bin/activate
+          . .venv/bin/activate && \
+          python3 -m pip install --upgrade pip && \
           python3 -m pip install -v .
         working-directory: examples/cells
 
       - name: Test
         run: |
-          . .venv/bin/activate
+          . .venv/bin/activate && \
           python3 -m unittest discover tests
         working-directory: examples/cells

From d591e5bc7d92d1028219dbc61534156986089b58 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 14:47:01 +0000
Subject: [PATCH 13/23] #71 Simplify ubuntu test venv

---
 .github/workflows/test-cells-ubuntu.yml | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test-cells-ubuntu.yml b/.github/workflows/test-cells-ubuntu.yml
index 4a5fb60..c01790c 100644
--- a/.github/workflows/test-cells-ubuntu.yml
+++ b/.github/workflows/test-cells-ubuntu.yml
@@ -112,11 +112,16 @@ jobs:
           grep "Unknown class" build/cppwg.log
         working-directory: examples/cells
 
-      - name: Build
+      - name: Create build env
         run: |
           python3 -m venv --system-site-packages .venv
           . .venv/bin/activate && \
-          python3 -m pip install --upgrade pip && \
+          python3 -m pip install --upgrade pip
+        working-directory: examples/cells
+
+      - name: Build
+        run: |
+          . .venv/bin/activate && \
           python3 -m pip install -v .
         working-directory: examples/cells
 

From a55ad75e88e72215769ae13b45189476b0293111 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 15:30:07 +0000
Subject: [PATCH 14/23] #71 Pin status badges to develop

---
 README.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 3b48845..897924d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
-![pip](https://github.com/Chaste/cppwg/actions/workflows/test-shapes-pip.yml/badge.svg)
-![ubuntu](https://github.com/Chaste/cppwg/actions/workflows/test-cells-ubuntu.yml/badge.svg)
-![conda](https://github.com/Chaste/cppwg/actions/workflows/test-cells-conda.yml/badge.svg)
+![pip](https://github.com/Chaste/cppwg/actions/workflows/test-shapes-pip.yml/badge.svg?branch=develop)
+![ubuntu](https://github.com/Chaste/cppwg/actions/workflows/test-cells-ubuntu.yml/badge.svg?branch=develop)
+![conda](https://github.com/Chaste/cppwg/actions/workflows/test-cells-conda.yml/badge.svg?branch=develop)
 
 # cppwg
 

From ac0ce6c97fc664ededc7e122ed92ca8a706242a9 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Thu, 26 Mar 2026 16:40:09 +0000
Subject: [PATCH 15/23] #71 Add conda clean in CI

---
 .github/workflows/test-cells-conda.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index 8bddf59..42577b3 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -47,7 +47,9 @@ jobs:
           python3 -m pip install .
 
       - name: Install requirements
-        run: conda install --yes --file conda/requirements.txt
+        run: |
+          conda clean --all --yes
+          conda install --yes --file conda/requirements.txt
         working-directory: examples/cells
 
       - name: Set config paths

From 7443e37789f2eae698167474aa2c0703e9a961bd Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Fri, 27 Mar 2026 10:49:12 +0000
Subject: [PATCH 16/23] #71 Stagger start of conda jobs

---
 .github/workflows/test-cells-conda.yml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index 42577b3..3cb1221 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -9,9 +9,11 @@ on:
 jobs:
   test-cells-conda:
     runs-on: ubuntu-latest
+    timeout-minutes: 90
 
     strategy:
       fail-fast: false
+      max-parallel: 2
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
@@ -24,6 +26,13 @@ jobs:
         shell: bash -el {0} # -l needed to activate conda
 
     steps:
+      - name: Staggered sleep
+        run: |
+          if [[ ${{ matrix.python-version }} != "3.8" ]]; then
+            echo "Sleeping for 5 minutes to stagger the start of the workflow..."
+            sleep 5m
+          fi
+
       - name: Checkout
         uses: actions/checkout@v6
 
@@ -31,6 +40,7 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install castxml clang cmake git
+          sudo apt-get install freeglut3-dev libglew-dev mesa-utils openbox xauth xorg
 
       - name: Setup Miniconda Python ${{ matrix.python-version }}
         uses: conda-incubator/setup-miniconda@v3

From 9303945d65aee477381fc38af76d1e1d0877e46b Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Fri, 27 Mar 2026 10:56:30 +0000
Subject: [PATCH 17/23] #71 Verbose conda install

---
 .github/workflows/test-cells-conda.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index 3cb1221..7684bad 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -28,7 +28,7 @@ jobs:
     steps:
       - name: Staggered sleep
         run: |
-          if [[ ${{ matrix.python-version }} != "3.8" ]]; then
+          if [[ "${{ matrix.python-version }}" != '3.8' ]]; then
             echo "Sleeping for 5 minutes to stagger the start of the workflow..."
             sleep 5m
           fi
@@ -59,7 +59,7 @@ jobs:
       - name: Install requirements
         run: |
           conda clean --all --yes
-          conda install --yes --file conda/requirements.txt
+          conda install --yes -vvv --file conda/requirements.txt
         working-directory: examples/cells
 
       - name: Set config paths

From 17c3439475db4dbe0eee57922ee015c6038cdd00 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Fri, 27 Mar 2026 11:16:58 +0000
Subject: [PATCH 18/23] #71 Adjust conda channel priority

---
 .github/workflows/test-cells-conda.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index 7684bad..8e30c9f 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -59,7 +59,11 @@ jobs:
       - name: Install requirements
         run: |
           conda clean --all --yes
-          conda install --yes -vvv --file conda/requirements.txt
+          conda config --remove channels conda-forge
+          conda config --add channels conda-forge
+          conda config --set channel_priority strict
+          conda config --get channels
+          conda install --yes -vv --file conda/requirements.txt
         working-directory: examples/cells
 
       - name: Set config paths

From 10f13d12e09936fb229b63fce8d82bde39261755 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Fri, 27 Mar 2026 11:39:50 +0000
Subject: [PATCH 19/23] #71 Reduce conda test stagger time

---
 .github/workflows/test-cells-conda.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index 8e30c9f..73fb43e 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -28,9 +28,9 @@ jobs:
     steps:
       - name: Staggered sleep
         run: |
-          if [[ "${{ matrix.python-version }}" != '3.8' ]]; then
-            echo "Sleeping for 5 minutes to stagger the start of the workflow..."
-            sleep 5m
+          if [[ "${{ matrix.python-version }}" == '3.8' ]]; then
+            echo "Sleeping for 3 minutes to stagger the start of the workflow..."
+            sleep 3m
           fi
 
       - name: Checkout

From a93655d61e882200eabb12109afdebc34c326268 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Fri, 27 Mar 2026 11:46:53 +0000
Subject: [PATCH 20/23] #71 Simplify conda prepend channel

---
 .github/workflows/test-cells-conda.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index 73fb43e..eac1ee9 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -59,8 +59,7 @@ jobs:
       - name: Install requirements
         run: |
           conda clean --all --yes
-          conda config --remove channels conda-forge
-          conda config --add channels conda-forge
+          conda config --prepend channels conda-forge
           conda config --set channel_priority strict
           conda config --get channels
           conda install --yes -vv --file conda/requirements.txt

From 67ad22439174c3cee1a3a70657f5baa063c1ad02 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Fri, 27 Mar 2026 12:25:54 +0000
Subject: [PATCH 21/23] #71 Try defaults channel for conda-build on 3.12

---
 .github/workflows/test-cells-conda.yml | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index eac1ee9..a423b69 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -15,7 +15,8 @@ jobs:
       fail-fast: false
       max-parallel: 2
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.12"]
+        # python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     concurrency:
       group: test-cells-conda-${{ github.ref }}-${{ matrix.python-version }}
@@ -65,6 +66,13 @@ jobs:
           conda install --yes -vv --file conda/requirements.txt
         working-directory: examples/cells
 
+      - name: Install conda-build tools
+        run: |
+          conda config --prepend channels defaults
+          conda config --set channel_priority strict
+          conda config --get channels
+          conda install boa conda-build conda-verify
+
       - name: Set config paths
         run: |
           echo "CMAKE_PREFIX_PATH=$CONDA_PREFIX;$CMAKE_PREFIX_PATH" >> $GITHUB_ENV
@@ -91,9 +99,6 @@ jobs:
           grep "Unknown class" build/cppwg.log
         working-directory: examples/cells
 
-      - name: Install conda-build tools
-        run: conda install boa conda-build conda-verify
-
       - name: Build
         run: |
           conda build recipe -m variants/python${{ matrix.python-version }}.yaml --output-folder ./build

From 042dc0a01246cccad49019d63f2ac9fe09a5d712 Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Fri, 27 Mar 2026 12:30:35 +0000
Subject: [PATCH 22/23] #71 Try flexible channel priorities for conda-build on
 3.12

---
 .github/workflows/test-cells-conda.yml | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index a423b69..c3c03c4 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -68,10 +68,9 @@ jobs:
 
       - name: Install conda-build tools
         run: |
-          conda config --prepend channels defaults
-          conda config --set channel_priority strict
+          conda config --set channel_priority flexible
           conda config --get channels
-          conda install boa conda-build conda-verify
+          conda install --yes -vv boa conda-build conda-verify
 
       - name: Set config paths
         run: |

From e48bf20014cb9992a3fe2a438e7e4b06d484bf8a Mon Sep 17 00:00:00 2001
From: Kwabena Amponsah <kwabenantim@yahoo.com>
Date: Fri, 27 Mar 2026 14:20:21 +0000
Subject: [PATCH 23/23] #71 Run all conda tests

---
 .github/workflows/test-cells-conda.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/test-cells-conda.yml b/.github/workflows/test-cells-conda.yml
index c3c03c4..7a4e1e4 100644
--- a/.github/workflows/test-cells-conda.yml
+++ b/.github/workflows/test-cells-conda.yml
@@ -15,8 +15,7 @@ jobs:
       fail-fast: false
       max-parallel: 2
       matrix:
-        python-version: ["3.12"]
-        # python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     concurrency:
       group: test-cells-conda-${{ github.ref }}-${{ matrix.python-version }}